Functions - 32 FXS ports with two 50-pin Telco connectors, as well as LED indication for each port
- Gigabit Ethernet and LCD backlight with 128x32 resolution.
- 4 SIP profiles for the system and a separate SIP account for each FXS port
- Supports voice codecs and Fax including G711(a/μ, Annex I & II), G723.1A, G726 (ADPCM with 16/24/32/40 bit rates), G729 A/B, iLBC, T.38 Fax
- Enhanced carrier-grade echo cancellation (128 ms at line break)
- Overvoltage and overvoltage protection (ITU-T Recommendation K.21, Basic Test Level)
- Support VMWI, neon LED indicators and sound signal to indicate message waiting
- Automatic configuration via XML configuration file with TR-069 or AES encryption, TLS/SRTP/HTTPS for enhanced security and protection
Technical characteristics of the Grandstream GXW4232 gateway : | Telephone connections | 32 FXS ports x RJ11 and two 50-pin Telco connectors | | Network interfaces | 1 x 10M/100M/1000Mbps RJ45 port with auto-sensing | | LED indicators | LAN Link, LAN Activity, connection for each telephone port | | LCD display | 128x32 graphic LCD display with backlight. | | Packet voice transmission functions | Enhanced carrier-grade echo cancellation (128 ms at line breakout). | | Compression of the signal | G.711, G.723.1, G.726 (40/32/24/16), G.729 A/B, iLBC | | Fax over IP | Fax relay of the third group of the T.38 standard with support for data transfer rates up to 14.4 kbps and automatic switching to G.711 for fax transmission, functional block of data transmission by fax V.17, V.21, V. 27ter, V.29 for fax relay of the T.38 standard | | Telephone functions | Call transfer, call forwarding, call barring, three-way conference calling, last incoming call dialing, paging call auto redial | | QoS | DiffServ, TOS, 802.1P/Q VLAN tagging | | Network protocols | TCP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, PPPoE, STUN | | DTMF method | Configurable DTMF transmission methods including In-audio, RFC2833, and/or SIP INFO | | Signal transmission | SIP (RFC 3261) over UDP/TCP/TLS | | SIP server profiles and accounts for each system | 4 separate SIP server profiles for each FXS phone port | | Provisioning | TFTP, HTTP, HTTPS, TR069 | | Providing protection | SRTP, TLS/SIPS, HTTPS, 802.1x | | Control | Syslog, HTTPS, web browser, telnet, voice menu (IVR), TR-069 | | Universal power supply | GXW4232/4224/4216: Output: 12VDC, 5A; Input: 100~240VAC, 50~60
Hz; GXW4248: Output: 24VDC, 6.25A; Input: 100~240VAC, 50~60Hz | | Environmental characteristics | Operation: 0°C ~ 45°C; Storage: –20°C ~ 60°C; Humidity: 10% ~ 90% (non-condensing) | | Electrical protection | Overvoltage and overvoltage protection (ITU-T Recommendation K.21 | | Physical characteristics | Device size:
440mm(L) x 255mm(W) x 44mm(H) (1U) (GXW4248)
440 mm (L) x 185 mm (W) x 44 mm (H) (1U) (GXW4216/4224/4232) | | Installation | Tabletop and rack mountable with front brackets. | | Short and long distance communication | 2 REN, up to 1500 feet for 24 AWG wire | | Caller ID | Bellcore Type 1&2, ETSI, BT, NTT and CID based on DTMF | | Disabling methods | Busy signal, polarity change/instability, current in the loop | | Regulatory Compliance | FCC Part 15 (CFR 47) Class B, AS/NZS CISPR 24, AS/NZS 60950 ITU-T K.21 (Basic Test Level); UL 60950 (Power Adapter) |
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